drivers/gpu/drm/xe/xe_psmi.c:36:undefined reference to `xe_configfs_get_psmi_enabled'
From: kernel test robot
Date: Fri Apr 03 2026 - 04:48:17 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5619b098e2fbf3a23bf13d91897056a1fe238c6d
commit: afe902848b417da81f60b3d15cbae40a67286dbf drm/xe/configfs: Allow to enable PSMI
date: 7 months ago
config: arc-randconfig-002-20260401 (https://download.01.org/0day-ci/archive/20260403/202604031148.C5iucYd3-lkp@xxxxxxxxx/config)
compiler: arc-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260403/202604031148.C5iucYd3-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: afe902848b41 ("drm/xe/configfs: Allow to enable PSMI")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604031148.C5iucYd3-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0x8): undefined reference to `xe_configfs_init'
arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0x8): undefined reference to `xe_configfs_init'
arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0xc): undefined reference to `xe_configfs_exit'
arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0xc): undefined reference to `xe_configfs_exit'
arc-linux-ld: drivers/gpu/drm/xe/xe_guc.o: in function `xe_guc_init_post_hwconfig':
drivers/gpu/drm/xe/xe_guc.c:91:(.text+0xb0a): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_guc.c:91:(.text+0xb0a): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_hw_engine.o: in function `xe_hw_engines_init_early':
drivers/gpu/drm/xe/xe_hw_engine.c:812:(.text+0x97a): undefined reference to `xe_configfs_get_engines_allowed'
arc-linux-ld: drivers/gpu/drm/xe/xe_hw_engine.c:812:(.text+0x97a): undefined reference to `xe_configfs_get_engines_allowed'
arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.o: in function `xe_psmi_debugfs_register':
>> drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x30e): undefined reference to `xe_configfs_get_psmi_enabled'
>> arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x30e): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.o: in function `xe_psmi_init':
drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x380): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x380): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_rtp.o: in function `xe_rtp_match_psmi_enabled':
>> drivers/gpu/drm/xe/xe_rtp.c:371:(.text+0x6fe): undefined reference to `xe_configfs_get_psmi_enabled'
arc-linux-ld: drivers/gpu/drm/xe/xe_rtp.o:drivers/gpu/drm/xe/xe_rtp.c:371: more undefined references to `xe_configfs_get_psmi_enabled' follow
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.o: in function `xe_survivability_mode_fini':
drivers/gpu/drm/xe/xe_survivability_mode.c:150:(.text+0x14e): undefined reference to `xe_configfs_clear_survivability_mode'
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.c:150:(.text+0x14e): undefined reference to `xe_configfs_clear_survivability_mode'
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.o: in function `xe_survivability_mode_is_requested':
drivers/gpu/drm/xe/xe_survivability_mode.c:227:(.text+0x1b0): undefined reference to `xe_configfs_get_survivability_mode'
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.c:227:(.text+0x1b0): undefined reference to `xe_configfs_get_survivability_mode'
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.c:232:(.text+0x1ca): undefined reference to `xe_configfs_clear_survivability_mode'
arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.c:232:(.text+0x1ca): undefined reference to `xe_configfs_clear_survivability_mode'
vim +36 drivers/gpu/drm/xe/xe_psmi.c
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 12
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 13 /*
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 14 * PSMI capture support
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 15 *
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 16 * Requirement for PSMI capture is to have a physically contiguous buffer. The
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 17 * PSMI tool owns doing all necessary configuration (MMIO register writes are
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 18 * done from user-space). However, KMD needs to provide the PSMI tool with the
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 19 * required physical address of the base of PSMI buffer in case of VRAM.
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 20 *
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 21 * VRAM backed PSMI buffer:
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 22 * Buffer is allocated as GEM object and with XE_BO_CREATE_PINNED_BIT flag which
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 23 * creates a contiguous allocation. The physical address is returned from
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 24 * psmi_debugfs_capture_addr_show(). PSMI tool can mmap the buffer via the
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 25 * PCIBAR through sysfs.
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 26 *
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 27 * SYSTEM memory backed PSMI buffer:
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 28 * Interface here does not support allocating from SYSTEM memory region. The
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 29 * PSMI tool needs to allocate memory themselves using hugetlbfs. In order to
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 30 * get the physical address, user-space can query /proc/[pid]/pagemap. As an
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 31 * alternative, CMA debugfs could also be used to allocate reserved CMA memory.
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 32 */
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 33
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 34 static bool psmi_enabled(struct xe_device *xe)
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 35 {
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 @36 return xe_configfs_get_psmi_enabled(to_pci_dev(xe->drm.dev));
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 37 }
aaa0c1f50a3d3f Lucas De Marchi 2025-08-21 38
:::::: The code at line 36 was first introduced by commit
:::::: aaa0c1f50a3d3fc1624360eaeb7fe69af62f7107 drm/xe/psmi: Add debugfs interface for PSMI
:::::: TO: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
:::::: CC: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
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